| No | Item | Strongly disagree (%) | Disagree (%) | Agree (%) | Strongly agree (%) |
| 1 | I am able to differentiate observation from inference. | 0 | 13.0 | 60.9 | 26.1 |
| 2 | I am able to analyses data. | 0 | 4.3 | 52.2 | 43.5 |
| 3 | I am able to generate evidence based on data. | 0 | 8.7 | 56.5 | 34.8 |
| 4 | I am able to generate justification based on evidence. | 0 | 8.7 | 60.9 | 30.4 |
| 5 | I am able to explain the importance of the evidence. | 0 | 21.7 | 43.5 | 34.8 |
| 6 | I am able to generate the tentative argument. | 0 | 21.7 | 52.2 | 26.1 |